1. Chris_ATX

    Chris_ATX Active Member

    Joined:
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    Can you let me know what this is?

    0734143F-D99E-40D6-BE9F-117C6980B2C1.jpeg EBB154F5-A12B-40B6-A713-C1B6DCE920B9.jpeg 2598165C-ED54-462D-8C07-47CA271DF025.jpeg
     
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  2. reef lover

    reef lover Well-Known Member

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    The dark color leads me to believe diatoms which are a natural part of the cycle.should go once silicates are gone.
     
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